Effect of melengestrol acetate on the growth and reproductive physiology of fattening heifers.
D000818:Animals; D002417:Cattle / Q000254:growth & development*; D003276:Contraceptives, Oral / Q000494:pharmacology*; D004971:Estrus / Q000187:drug effects*; D005260:Female; D009929:Organ Size; D006080:Ovarian Follicle / Q000187:drug effects; D010053:Ovary / Q000187:drug effects; D011247:Pregnancy; D011372:Progestins / Q000494:pharmacology*
D003276:Contraceptives, Oral; D011372:Progestins